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Benchmarking Experiment of Substrate Quality including SmartSiCTM Wafers by Epitaxy in a Batch Reactor
Abstract:
The feasibility of thin 4H-SiC layers bonded on an alternative carrier substrate for the application as substrate in SiC epitaxy is investigated. Epitaxial layers grown on such substrates are compared to those on state-of-the-art conventional substrates from different sources. The performance of the substrates is judged by the occurrence of killer defects in the epitaxial layer as analyzed using a PL scanning tool. Additional investigations on the material properties were carried out using X-ray topography and Atomic Force Microscopy, yielding information on the crystallinity, the lattice curvature, and the surface properties of the epitaxial layers.
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91-98
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Online since:
May 2023
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